Atg7 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
ATG7 (Autophagy Related 7) is an essential autophagy gene encoding the E1-like activating enzyme for the ATG8 and ATG12 conjugation systems. It is critical for autophagosome formation and has been implicated in multiple neurodegenerative diseases.
This page provides comprehensive information about the protein/gene, its function in the nervous system, and its role in neurodegenerative diseases.
| Property | Value |
|---|---|
| Gene Symbol | ATG7 |
| Full Name | Autophagy Related 7 |
| Chromosomal Location | 3p22.1 |
| NCBI Gene ID | 9459 |
| OMIM | 607760 |
| Ensembl ID | ENSG00000198271 |
| UniProt | O95352 |
| Gene Type | Protein-coding |
ATG7 encodes an E1-like enzyme essential for two ubiquitin-like conjugation systems:
| Disease | Inheritance | Mechanism | References |
|---|---|---|---|
| Alzheimer's Disease | - | Impaired autophagic-lysosomal pathway; role in Aβ clearance | PMID:21254945 |
| Parkinson's Disease | - | ATG7 polymorphisms; impaired mitophagy | PMID:23629956 |
| Huntington's Disease | - | Mutant huntingtin impairs autophagy | PMID:22159452 |
| Charcot-Marie-Tooth Disease | AR | ATG7 mutations cause peripheral neuropathy | PMID:33439307 |
ATG7 is ubiquitously expressed with high levels in:
Komatsu M, et al. (2005) Impairment of starvation-induced and constitutive autophagy in Atg7-deficient mice. J Cell Biol. 179(4):639-650.
Wang Y, et al. (2016) ATG7 regulates brain development and function. Autophagy. 12(8):1202-1210.
Javaheri A, et al. (2020) Atg7 deficiency in mice leads to progressive neurodegeneration. Nat Commun. 11:3468.
ATG7 and the autophagy machinery represent important therapeutic targets:
| Agent | Mechanism | Stage | Notes |
|---|---|---|---|
| Rapamycin | mTOR inhibition → ATG7 activation | Approved (organ transplant) | Off-label for neurodegeneration |
| Torin 1 | mTORC1/2 inhibition | Research | Potent autophagy inducer |
| Carbamazepine | eIF2α phosphorylation | Research | Enhances autophagy |
| Spermidine | ATG4 activation | Clinical trials | Promotes longevity pathways |
ATG7 dysfunction and altered expression are associated with:
ATG7 is an essential autophagy protein that mediates the ATG5-ATG12 conjugation and LC3 lipidation. Its loss leads to severe neurodegeneration in animal models. Therapeutic enhancement of ATG7 activity may help clear toxic protein aggregates in neurodegenerative diseases.
The study of Atg7 Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
[1] ATG7 and autophagy in neurodegeneration. PMID:17392302